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Unit 1 Science

Weather Study Guide/ Herring Science/

What is a barometer? It measures changes in air pressure.
What is a rain gauge? It measures precipitation.
What is a wind vane? It measures wind direction.
What is a anamometer? It measures wind speed.
What is a psychrometer? It measures relative humidity.
What is a thermometer? It measures temperature.
What people study the weather? Meteorologist
What is the typical path of a hurricane? Hurricanes start over warm ocean water then move north.
What happens in the eye of a hurricane? Nothing
What happens to the air masses in a warm front? A warm air mass collides and rides over a cold air mass.
What type of weather do we have when a cold and warm front are moving through? Storms
What type of weather will we have once the Cold Front has passed through? Colder and drier air moves in.
What type of weather will we have once the Warm Front has passed through? Warmer and humid
What type of weather will we have once the Occluded Front has passed through? Cloudy and rain or snow may fall.
What type of weather will we have once the Stationary Front has passed through? May bring many days of clouds and precipitation.
What wind region is found in the US? Prevailing Westerlies winds
What has led to more accurate weather forecasting? Weather Instruments
What do the 3 main cloud types look like? Cumulus- Fluffy with flat bottoms Stratus- Spread out layer upon layer covering large area. Cirrus- Wispy
Describe a hurricane. A tropical cyclone with winds of 119 km or higher.
Describe a tornado. Spinning column of air that reaches down from a thunderstorm.
Describe a thunderstorm. A small storm often accompanied by heavy precipitation and frequent thunder and lightning.
What are isobar lines? Join places on map and the same air pressure
What are isotherm lines? Joining places with the same temperature.
How does wind form? Convection currents
Why does wind blow in a curved pattern? The earth is always spinning an winds curve around the globe.
What is the curved pattern that wind blows called? Coriolis effect.
What are the 4 types of air masses? Tropical, Polar, Maritime, and Continental
What is the difference between high and low air pressure? High air pressure has fair weather and low air pressure has rainy and/or stormy weather.
What winds affect our weather? don't know
What are the steps of the water cycle? 1st Evaporation/Transpiration, 2nd Condensation, 3rd Precipitation, 4th Run-off
What are the 2 most abundant gases in the atmosphere? Nitrogen and oxygen
What happens to the temperature as you go higher into the atmosphere? It gets colder
Where is the Tropical region and what type of wind does it have? 0 degrees N/S to 30 degrees N/S- Trade winds
Where is the Temperate Region and what type of wind does it have? from 30 degrees N/S to 60 degrees N/S- Prevailing Westerlies
Where is the Polar Region and what type of wind does it have? from 60 degrees N/S to 90 degrees N/S- Polar winds
What is qualitative observations? looking at things
What is quantitative observations? uses numbers
What are inferences? conclusion based on reasoning
What are predictions? educated guess
Created by: geom1491